To make fettuccine, mix all the ingredients to form a smooth dough. Then work the pasta with a rolling pin or use a pasta machine to get thin layers of sheets. Let it dry for about 15 minutes then cut it with a knife or with a pizza cutter.Make the sauce by gently frying a garlic clove and chilly in a bit of olive oil. Add the chopped tomatoes and the oregano, adjust with salt and cook for about 10 minutes. Finally add the feta, mix well and remove the pan from heat. Cook the pasta in plenty of salty water for about 3 minutes from when the water starts boling again. Drain it well and toss in the sauce pan for a few moments. Serve immediately adding some more feta on top if you like.